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JohnF2015
JohnF2015, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1107
Experience:  Owner/Service Technician at S & J Small Engines
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Kohler 17.5 hp pumping oil into carborator from the valve

Customer Question

kohler 17.5 hp pumping oil into carborator from the valve cover
Submitted: 1 year ago.
Category: Small Engine
Expert:  JohnF2015 replied 1 year ago.

Hi, my name is***** will be assisting you.

This is not a pressurized crankcase, it should be running under a vacuum. There are only a few reasons that you would be pumping oil like that.

  1. Crankcase is overfilled with oil or an oil/fuel mixture.
  2. Head gasket is blown or you have an external air leak that is pressurizing the crankcase.
  3. Reed plate in the head breather area is cracked or broken causing you to pressurize the crankcase.